Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2021 8 30.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(AQUA) AQUA Lat/Lon    Distance(km)  Time Diff(sec)
 09/01/2021   05:42:53   ( -76.57, 159.41) 09/01/2021   05:44:06  ( -77.10, 156.65)   91.38                73
 09/01/2021   06:23:27   (  62.95,  91.62) 09/01/2021   06:23:38  (  62.95,  91.63)    0.70                11
 09/01/2021   07:12:02   ( -55.78, -96.06) 09/01/2021   07:10:59  ( -55.78, -96.06)    0.08                63
 09/03/2021   22:39:59   (  63.78,-153.16) 09/03/2021   22:40:21  (  63.78,-153.17)    0.27                22
 09/03/2021   23:28:41   ( -57.02,  19.15) 09/03/2021   23:27:49  ( -57.03,  19.13)    1.36                52
 09/06/2021   14:56:28   (  64.39, -37.77) 09/06/2021   14:57:01  (  64.39, -37.81)    2.01                33
 09/06/2021   15:45:40   ( -59.33, 133.61) 09/06/2021   15:44:58  ( -59.32, 133.62)    1.00                42
 09/09/2021   07:13:12   (  65.81,  76.75) 09/09/2021   07:13:55  (  65.81,  76.75)    0.28                43
 09/09/2021   08:02:09   ( -59.94,-110.88) 09/09/2021   08:01:38  ( -59.95,-110.90)    1.58                31
 09/11/2021   23:29:51   (  66.96,-168.57) 09/11/2021   23:30:44  (  66.95,-168.53)    1.86                53